# Using a Haar wavelet transform, principal component analysis and neural networks for OCR in the presence of impulse noise

> Research article (Computer Optics, 2016) · cited 35× · AI/ML

**Wikidata**: [openalex:W2545564526](https://www.wikidata.org/wiki/openalex:W2545564526)  
**Source**: https://4ort.xyz/entity/using-a-haar-wavelet-transform-principal-component-analysis-and-neural-networks-for-ocr-in-the-presence-of-impulse-noise